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Datasheet. M63540/1-55C specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a stud thread
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.376in.
A measurement of the longest dimension of a head,in distinction from width.
0.150in.
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
SELF-Clinching head
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.250in. ⁓1-1/4"
The national stock number or the identification information of the end equipment for which the item is a part.
mrap - cougar; mrap - cougar CAT1 A2
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18 stud thread
A designation that is used for the purpose of general identification of the thread.
0.313in. stud thread ⁓21/64"
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
fluch head; ribbed clinch type
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 303 and steel comp 303se
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
astm a 582/a 582m national std/spec all material responses
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
passivate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
stm a 380 national std/spec single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
SELF-Locking
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc stud thread
Answers.
Unc stud thread
Self-locking
Steel comp 303 and steel comp 303se
18 stud thread
2a stud thread
FSC 5307 ⁓ Studs
NSN 5307-01-625-1956 STUD,SELF-LOCKING
Used on mrap - cougar; mrap - cougar cat1 a2. unc stud thread thread series self-locking passivate surface treated fluch head; ribbed clinch type 18 stud thread thread quantity per inch 1.250" overall length 2a stud thread thread class
- NIIN
- 016251956
- NIIN Date
- 01/28/14
- Schedule B
- Name Code
- 27783
- FIIG
- A051A0
- DEMIL / ITAR
- Uncontrolled item (Code )
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Department of The Army
- - Department of The Navy
- - U.s. Marine Corps
- - Department of The Air Force
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Paper, toilet (not requiring temperature control)
- NMFC (national motor freight code)
- 095190 HARDWARE, NOI
- UFC (universal freight code)
- 49790
Similar by Design Other studs with similar characteristics
Nothing similar to this part number was found in our inventory
M63540/1-55C / Stud,self-lockingWhat is the formal definition of this item?
A headed fastener threaded externally on a portion or on the full length of the shank. the head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. it is securely locked in position by the displaced metal. for items that require locking rings, see bolt, self-locking and stud, locked in. excludes insert, screw thread.
